CN102904019A - Wide-band linked-ring antenna element for phased arrays - Google Patents
Wide-band linked-ring antenna element for phased arrays Download PDFInfo
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- CN102904019A CN102904019A CN201210236133XA CN201210236133A CN102904019A CN 102904019 A CN102904019 A CN 102904019A CN 201210236133X A CN201210236133X A CN 201210236133XA CN 201210236133 A CN201210236133 A CN 201210236133A CN 102904019 A CN102904019 A CN 102904019A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0464—Annular ring patch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
- H01Q5/45—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device
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Abstract
Technologies for a wide-band linked-ring antenna element covering two adjacent K-band military and/or commercial receive bands are provided. The antenna element (100) comprises a linked-ring conductive resonator (102) that is electromagnetically coupled to at least one feed line (104). The conductive resonator (102) and feed line (104) are further surrounded by a Faraday cage (106) that is conductively coupled to an electromagnetically-shielding ground plane (110) and operable to shield the conductive resonator (102) and the feed line (104).
Description
Background technology
Typical microwave and millimeter-wave frequency directional antenna comprise heavy structure usually, for example wave guide, parabolic antenna, spiral coil, loudspeaker and other large-scale non-conformal structures.Wherein the communications applications and the radar application that move of at least one communicator needs can turn to wave beam and/or can turn to reception usually.Phased-array antenna is used particularly useful to beam steering, because beam steering can electronics finished and do not need the actual motion of antenna.This electronics beam steering can turn to than universal/motor-driven machine tool antenna faster and more accurate reliable.Phased-array antenna also provides the ability with many synchronizing signal wave beams.
In addition, the communication in many wave bands needs to be used for multiple antenna hole and/or the two waveband parabolic antenna of each wave band usually.Parabolic antenna is usually located at the radome below on the aircraft, has increased significantly weight, aerodynamic resistance and the maintenance complexity of aircraft.Compare with many single wave band solutions and/or parabolic antenna, single wideband phased array row hole need to minimize vehicle integration cost and size, weight and power.Yet, use the routine of grooved ring and/or microstrip patch antennas (microstrip patch antenna) to hang down the impact that Section Design is closed by mutual coupling, this limits its frequency coverage, scan volume and axial ratio performance.
It is open about these and other Consideration that this paper has done.
Summary of the invention
Should be appreciated that, content of the present invention is provided for introducing in simplified form the selection of concept, and these concepts further describe in the embodiment below.Content of the present invention is not the protection range that intention is used for limiting theme required for protection.
Here described broadband link loop antenna element, it is that the single conformal phased array is implemented in satellite communication (" SATCOM "), and what this array covered the 17.7-20.2GHz commercialization receives the K wave band with two of the military SATCOM of 20.2-21.2GHz.The array of antenna element provides the wide region scan volume from sight line, and this scan volume is better than the conical scan volumes of 60 degree, and this antenna element keeps the good circular polarization axial ratio above the assigned frequency wave band, and is simultaneously very thin and light.This antenna element also can be formulated (scale) and be used for other frequency bands, as radiated element, and is used for other phased-array antennas application, for example line-of-sight communications link, signals intelligence (" SIGINT ") array, radar, sensor arraies etc.
According to an aspect, antenna element comprises chain T-Ring conduction resonator, at least one feeder line of its electromagnetic coupled.Conduction resonator and feeder line are further centered on by Faraday cage, and Faraday cage conducts electricity and is coupled the electromagnetic shielding ground plane and can shields conduction resonator and feeder line.
Feature discussed here, function and advantage are can be in various embodiment of the present disclosure independent to be obtained, perhaps can combination in other embodiment, and wherein further details can be with reference to following description and accompanying drawing.
Description of drawings
Fig. 1 is the perspective view of the antenna element implemented in array according to embodiment provided herein.
Fig. 2 is according to the end view of embodiment provided herein around the Faraday cage of the emission element of antenna element.
Fig. 3 is the vertical view that conducts resonator according to the exemplary chain T-Ring that the top layer at antenna element of embodiment provided herein is implemented.
Fig. 4 is the vertical view according to the exemplary microstrip feed line of the layer enforcement below the conduction resonator of antenna element 100 of embodiment as herein described.
The flow chart that is used for carrying out a kind of method of two waveband SATCOM above the single conformal phased array that provides among the embodiment as herein described is provided Fig. 5.
Embodiment
Following embodiment is for the broadband link loop antenna element that is used for phased array.Utilize antenna element as herein described, the single conformal phased array may be implemented as for the SATCOM that covers contiguous military and commercial receiving wave range and receives.Antenna element provides the wide region scan volume from sight line, and this scan volume is better than the conical scan volume of 60 degree, and this antenna element is kept the good circular polarization axial ratio above the assigned frequency wave band.The antenna element design weight is light and very thin.Do not need simultaneously wide-angle impedance matching (" WAIM ") layer or radome, therefore reduced widely aerodynamic resistance and integration and the maintenance cost of aircraft.This antenna element also can be formulated for other frequency bands and phased-array antenna and use, as radiated element, and for other phased-array antennas application, for example line-of-sight communications link, signals intelligence (" SIGINT ") array, radar, sensor array etc.
Here under the background of plane or conformal SATCOM phased-array antenna, embodiment of the present disclosure has been described.Yet embodiment of the present disclosure is not restricted to these planar S ATCOM and uses, and technology described here also can be used for other application.For example, embodiment goes for conformal antenna, people and drone antenna is arranged, line-of-sight communication, sensor antenna, radar antenna etc.
Following embodiment is with reference to accompanying drawing, and accompanying drawing forms the part of embodiment and by diagramatic way specific embodiment or example is shown.Here accompanying drawing is not drawn in proportion.In these several accompanying drawings, the element that identical numeral is identical.
Fig. 1 is depicted as the perspective view that SATCOM is applied in the antenna element 100 of implementing in the Conformal Phased Array row according to embodiment described here.Antenna element 100 comprises single chain T-Ring conduction resonator 102, its be coupled two feeder lines (feed line) 104A and 104B dynamo-electricly, and all centered on by Faraday cage 106.Antenna element 100 can be implemented in multilayer circuit board, wherein multilayer circuit board comprise two-layer, three layers, four layers or more multi-layered.Should be appreciated that Fig. 1 is illustrated in the upper element of implementing of each layer of multilayer circuit board, but substrate or the dielectric of interlayer are not shown.
Thereby Faraday cage 106 can operate and cover conduction resonator 102 and feeder line 104.Faraday cage 106 comprises electromagnetic shielding ground plane 110, a plurality of conduction through hole (via) 108 and conduction band, wherein ELECTROMAGNETIC OBSCURANT ground plane 110 is implemented on the bottom, conduction through hole 108 electromagnetic coupled ground planes 110 and the layer that passes multilayer circuit board rise to top layer, and directly implement and peripheral part of electromagnetic coupled through hole 108 and conduction band at every layer the conduction band.The conduction band can use metallising, little band at each layer, directly write etc. mode implements.According to an embodiment, conduction through hole 108 comprises the hole of each layer that passes multilayer circuit board, and fill or coating with copper or other conductive materials in this hole.
As shown in Figure 1, conduction band and conduction through hole 108 can arrange around conduction resonator 102 and feeder line 104 with hex shape, in order to form the conduction cage, thereby it can operate the conduction resonator 102 that makes antenna element 100 and feeder line 104 is isolated/covered with the external electrical field of bottom and side, and external electrical field is such as being generated by the exterior antenna of adjacent antenna element, apparatus adjacent in the array etc.Should be appreciated that conduction band and conduction through hole 108 can be with any polygonal shape settings, it is convenient to implement antenna element 100 in array, and this polygonal shape comprises triangle, square, rectangle, hexagon and octangle etc., but is not restricted to this.In a further embodiment, implement Faraday cage 106 such as the title of submitting on April 1st, 2011 for described in the common trial U.S. Patent application 13/999999 of " Dual Band Antenna Element with Integral Faraday Cage for SATCOM Transmit Phased Arrays ", its full content is herein incorporated for your guidance.
Fig. 2 illustrates the end view around the conduction resonator 102 of antenna element 100 and feeder line 104 and the Faraday cage 106 implemented according to an embodiment in four layers.As mentioned above, Faraday cage 106 can comprise electromagnetic shielding ground plane 110 at the bottom or layer 4 as shown in the figure.As further shown in Figure 2, conduction band 202A, 202B, 202C(always are called conduction band 202 here) can implement in each upper layer (perhaps being respectively layer 1, layer 2 and layer 3) of multilayer circuit board.Conduction through hole 108 can be from the top layer of multilayer circuit board, and namely layer 1 passes the intermediate layer, and namely layer 2 and layer 3 arrive the bottom ground plane 110 of implementing at bottom, i.e. layer 4.
Substrate or dielectric between the layer of multilayer circuit board can be made by low-loss, low-k circuit board material, for example from the Rogers company of Arizona State Qian Dele
5870/5880 plate.Should be appreciated that multilayer circuit board can be made by any suitable low-loss advanced low-k materials.According to an embodiment, the dielectric thickness between the first two layer is labeled as TL1, and it can be about 20 mils, and the thickness between the rest layers is labeled as TL2 and TL3, can be about 31 mils.Tack coat between the not shown layer 1,2 and 3.Be to be understood that, can change dielectric thickness T L1, TL2 and TL3 between the number of the layer of in antenna element 100, implementing, the method that layer is bonded together and the layer, thereby provide the gross thickness of the conformal array of wanting, thereby and implement to minimize from the Faraday cage 106 of the coupling of adjacent antenna element, and allow antenna element to be scanned up to 60 degree or better from sight line.In addition, number, size and the interval of conduction through hole 108 also can affect the performance of this cage and antenna element in Faraday cage 106.In one embodiment, conduction through hole 108 radiuses can be about 7 mils.
Fig. 3 is illustrated in the vertical view of the upper exemplary link ring conduction resonator 102 of implementing of top layer (i.e. layer 1) of antenna element 100.As mentioned above, conduction resonator 102 comprises a plurality of ring-type elements, and for example ring- type element 302A and 302B(are known as ring-type element 302 here), it is by tuning link, for example tuning 304A and 304B(are known as tuning 304 here).According to an embodiment, chain T-Ring conduction resonator 102 can comprise two ring-type elements, namely by four equidistant tuning 304 outer ring element 302A and interior ring-type element 302B that connect.The energy that interior ring-type element 302A resonance is provided by feeder line 104A, 104B, and interior ring-type element 302B and tuning 304 structure and " tuning " of structure consideration conduction resonator 102, thus in the frequency band of wanting, can operate.
In a further embodiment, the inner radial RR1 of interior ring-type element 302B can be about 36.6 mils, and the inner radial RR2 of outer ring element 302A can be about 53.6 mils.The thickness T R1 of interior ring-type element 302B can be about 6.2 mils, and the thickness T R2 of outer ring element 302A can be about 24.8 mils, and the clearance C LR1 between the ring is about 10.8 mils.Each inner width W1 of tuning 304 can be about 22.2 mils, and external width W2 can be 27.7 mils.The conduction resonator 102 that this structure can allow antenna element 100 is best the implementation in the contiguous commercialization of 17.7-21.2GHz and military SATCOM receiving wave range.Should be appreciated that the number that can change ring-type element 302 and tuning 304, and corresponding size RR1, RR2, TR1, R2, W1, W2 and CLR1, so as for operation in the frequency band that is adapted at wanting tuning chain T-Ring conduction resonator 102.
In Fig. 3, further be illustrated in top layer (i.e. layer 1) the conduction band 202A that implements and the conduction through hole 108 that comprises the Faraday cage 106 of antenna element 100.The parts of the Faraday cage 106 shown in Fig. 3 are cut open, thereby are illustrated in the shared character of the Faraday cage 106 of an antenna element and its adjacent antenna element in the phased array, as shown in Figure 1.Further, can further regulate about size and the structure of the Faraday cage 106 of conduction resonator 102 and feeder line 104, thereby guarantee the optimum performance of antenna element 100 in expection structure and operating frequency wave band.
Fig. 4 is illustrated in the second layer (i.e. layer 2) the upper exemplary feeder line 104A that implements of antenna element 100 and the vertical view of 104B.As mentioned above, antenna element can comprise two microstrip feed line 104A and 104B, and it is installed in below and the electromagnetic coupled resonator of chain T-Ring conduction resonator 102.According to an embodiment, microstrip feed line 104A and 104B install each other in the right angle substantially, and the conduction resonator 102 of capacitive coupling top, as shown in Figure 4.For example, microstrip feed line 104A and 104B can be directed with 90 ± 5 degree each other.The right angle configuration of feeder line 104A and 104B guarantees the dual mode operation of antenna element 100, allows to receive selectable right-hand circular polarization or Left-hand circular polarization SATCOM signal, perhaps is used for the biorthogonal linear polarization signal of other application.
Coupling through hole 402 radiuses can be about 4 mils, and pass rest layers and extend about 62 mils, arrive the via pad in the ground plane 110.The via pad radius can be about 8 mils, and hole 404 radiuses that are used for the ground plane 110 of via pad can be about 18.4 mils.Via pad is electric coupling communication electronic device (also not shown) further, and this communication electronic device provides independent signal to provide independent signal to antenna element 100 and from antenna element 100.In Fig. 4, further be illustrated in intermediate layer (i.e. layer 2) the conduction band 202B that implements and the conduction path 108 that comprises the Faraday cage 106 of antenna element 100.The parts of the Faraday cage 106 shown in Fig. 4 are cut open, thereby are illustrated in the shared character of the Faraday cage 106 of an antenna element and its adjacent antenna element in the phased array, as shown in Figure 1.
The embodiment of antenna element 100 described here has guaranteed that the structure of the phased passive array antenna of single conformal has minimum size, weight, power (" SWAP "), and minimum integration cost.By eliminating many arrowbands " chimney flue type " SATCOM band system and related separate antenna device, SWAP greatly reduces.Embodiment further provides phased-array antenna, and it can cover the contiguous receive frequency wave band of at least two SATCOM, and is simultaneously very thin and light.Embodiment can be formulated other frequency bands and phased-array antenna is used, for example line-of-sight communication link, SIGINT array, radar, sensor array etc.
Be to be understood that, shown in the figure and the structure of various parts described herein (comprise chain T-Ring conduction resonator 102, microstrip feed line 104, comprise conduction band 202 and the conduction through hole 108 of Faraday cage 106) and the illustrative embodiments of size Expressing antenna element 100, by reading the disclosure, other execution modes will be obvious to those skilled in the art.In addition, can add, remove or replace multiple parts, and the multiple technologies except described here can be used for the manufacturing of antenna element 100.Meaning is sought for, and the application comprises whole these execution modes of the antenna element 100 of being made by any process known in the art or method.
Turn to now Fig. 5, will provide the details that the method for two waveband SATCOM is provided about the single conformal phased array that provides in embodiment as described herein.Should be appreciated that, various logic operation, constructional device, behavior and parts described here can be in the electronic installation and circuit of special purpose, in the software or firmware of multi-purpose calculation element, implement in the Digital Logic of special purpose and any combination thereof.Should be appreciated that simultaneously, can carry out than shown in the figure and more or less operation described here.These operations also can be carried out simultaneously, perhaps to carry out from different order described here.
Fig. 5 illustrates according to an embodiment and be used for carrying out the program 500 that broadband SATCOM receives above the single conformal phased array.This program 500 comprises the Conformal Phased Array row of many antenna elements from operating in the of 502 in this enforcement, its at least one antenna element comprises shown in Fig. 1 and aforesaid antenna element 100.As mentioned above, each antenna element 100 in the array can comprise that the chain T-Ring conducts resonator 102, one or more feeder line 104 and centers on Faraday cage 106, and it is all implemented at multilayer circuit board.Shown in top Fig. 1,3 and 4, the conduction band 202 of Faraday cage 106 and conduction through hole 108 can electric coupling ground planes 110 and are arranged around conduction resonator 102 and feeder line 104 with hex shape, in order to form the conduction cage, thereby it can operate the conduction resonator 102 of antenna element 100 and feeder line 104 are isolated/covered from the external electrical field of bottom and side, external electrical field is for example generated by adjacent antenna element in the array.Should be appreciated that conduction band and conduction through hole 108 can be so that implement any other polygonal shape setting of antenna element 100 in array.In addition, as further shown in Figure 1, the conduction band 202 and the conduction through hole 108 that comprise the Faraday cage 106 of an antenna element 100 can share with its contiguous antenna element in the phased array.
From operating 502, this program 500 proceeds to operation 504, the feeder line 104 electric coupling communication electronic devices of antenna element 100 wherein, and it provides independently signal or provides independent signal from antenna element 100 for antenna element 100.As mentioned above, communication electronic device can comprise the software of special purpose circuit, multi-purpose calculation element or firmware, its any combination etc.In addition, communication electronic device can partly or completely be implemented at the multilayer circuit board of the antenna element 100 that holds phased array.
This program 500 proceeds to operation 506 from operating 504, and wherein communication electronic device detects the signal from the one or more feeder lines 104 of coupling conduction resonator 102, thereby receives the signal in the K wave band.For example, thus communication electronic device can utilize antenna element 100 to be received in the commercial SATCOM of 17.7-20.2GHz receives signal in the K wave band.According to an embodiment, communication electronic device can utilize two feeder line 104A and the 104B that meets at right angles substantially each other and implement in antenna element 100, thereby receives selectively right-hand circular polarization or Left-hand circular polarization signal (the biorthogonal linear polarization that perhaps is used for other application) by conduction resonator 102.
This program 500 proceeds to operation 508 from operating 506, and wherein communication electronic device detects the signal from the one or more feeder lines 104 of coupling conduction resonator 102, thereby receives the signal in the 2nd K wave band.For example, communication electronic device can utilize the signal near the military SATCOM reception of the 20.2-21.2GHz of the antenna element 100 receptions K wave band.Program 500 finishes in operation 508.
Shown in top figure and text, disclosed antenna element 100 comprises multilayer circuit board, chain T-Ring conduction resonator 102, the first feeder line 104A and the second feeder line 104B, electromagnetic shielding ground plane 110, with Faraday cage 106, wherein chain T-Ring conduction resonator 102 is positioned on the top layer of multilayer circuit board and comprises by the one or more tuning 304 a plurality of ring-type elements 302 that connect, the first feeder line 104A and the second feeder line 104B are positioned on the intermediate layer of multilayer circuit board and capacitive coupling chain T-Ring conduction resonator 102, electromagnetic shielding ground plane 110 is positioned on the bottom of multilayer circuit board, and Faraday cage 106 is around chain T-Ring conduction resonator 102, the first feeder line 104A, with the second feeder line 104B and conduction coupling electromagnetic shielding ground plane 110.In a modification, chain T-Ring conduction resonator 102 comprises interior ring-type element 302B and the outer ring element 302A that connects by four tuning 304.In one example, the first feeder line 104A becomes 90 degree directed with respect to the second feeder line 104B substantially, so that antenna element 100 can receive right-hand circular polarization and Left-hand circular polarization signal.
In an alternative, Faraday cage 106 comprises conduction band 202 and a plurality of conduction through hole 108,402, and conduction band 202 is positioned on every layer of bottom top of multilayer circuit board, and a plurality of conduction through hole is connected to electromagnetic shielding ground plane 110 with conduction band 202.In another alternative, all separated by the low-loss advanced low-k materials for every layer of multilayer circuit board.In another example, antenna element 100 is configured to be made of a plurality of antenna elements 100, thereby forms phased-array antenna.
In another example, the system that is used at least two contiguous satellite communication wave bands are communicated by letter is disclosed, this system comprises a plurality of antenna elements 100 with the phased array configuration, at least one of a plurality of antenna elements 100 comprises chain T-Ring conduction resonator 102, the first feeder line 104A and the second feeder line 104B, with Faraday cage 106, wherein chain T-Ring conduction resonator 102 has interior ring-type element 302B and the outer ring element 302A that connects by four tuning 304, the first feeder line 104A and the second feeder line 104B capacitive coupling chain T-Ring conduction resonator 102, thereby and Faraday cage 106 can operate and cover chain T-Ring conduction resonator 102, the first feeder line 104A, with the second feeder line 104B; And communication electronic device, its electric coupling the first feeder line 104A and the second feeder line 104B, and be configured to provide at least one that independent signal arrives a plurality of antenna elements 100.In a modification, thereby the first feeder line 104A and the second feeder line 104B further can operate drive chain T-Ring conduction resonator 102.In another modification, the first feeder line 104A becomes 90 degree directed with respect to the second feeder line 104B substantially.In another modification, Faraday cage 106 comprises electromagnetic shielding ground plane 110, and it is by at least one conduction through hole 108, a plurality of conduction bands 202 of 402 couplings.
In another example, disclosed antenna element 100 comprises the conduction of chain T-Ring resonator 102, feeder line 104 and Faraday cage 106, wherein chain T-Ring conduction resonator 102 comprises by the one or more tuning 304 a plurality of ring-type elements 302 that connect, feeder line 104 electromagnetic coupled chain T-Rings conduction resonator 102, thereby and Faraday cage 106 can operate and cover chain T-Ring conduction resonator 102 and feeder line.In a modified example, chain T-Ring conduction resonator 102 comprises interior ring-type element 302B and the outer ring element 302A that connects by four tuning 304.In another modification, thereby feeder line 104 can operate drive chain T-Ring conduction resonator 102.In an alternative, thereby feeder line 104 can operate from chain T-Ring conduction resonator 102 reception signals.In a modification, antenna element 100 comprises the first feeder line 104A and the second feeder line 104B, and wherein the first feeder line 104A becomes 90 degree directed with respect to the second feeder line 104B substantially.In another modification, the first feeder line 104A and the second feeder line 104B are arranged in chain T-Ring conduction resonator 102 belows of antenna element 100, and capacitive coupling chain T-Ring conduction resonator 102.
In an alternative, Faraday cage 106 comprises electromagnetic shielding ground plane 110, and it is by at least one conduction through hole 108, a plurality of conduction bands 202 of 402 couplings.In another alternative, antenna element comprises a plurality of layers, and each of a plurality of layers separated by the low-loss advanced low-k materials.In a further alternative, chain T-Ring conduction resonator 102 is positioned on the top layer, feeder line 104 is positioned on the intermediate layer below the chain T-Ring conduction resonator 102, and electromagnetic shielding ground plane 110 is positioned on the bottom, and wherein of a plurality of conduction bands 202 is positioned on a plurality of layers of the bottom top every layer.In another example, antenna element 100 is configured to be made of a plurality of antenna elements 100, thereby forms phased-array antenna.
Disclose and be used for listing the illustrative methods of carrying out wideband satellite communication (" SATCOM ") at Conformal Phased Array, the method comprises the phased array of implementing a plurality of antenna elements 100, feeder line 104 coupled communication electronic installations with at least one antenna element 100, utilize communication electronic device drive chain T-Ring conduction resonator 102 to be received in signal in the SATCOM receiving wave range, wherein at least one of antenna element 100 comprises chain T-Ring conduction resonator 102, feeder line, with Faraday cage 106, wherein chain T-Ring conduction resonator 102 comprises by the one or more tuning 304 a plurality of ring-type elements 302 that connect, feeder line electromagnetic coupled conduction resonator 102, thereby and Faraday cage 106 can operate the electric field that will conduct resonator 102 and feeder line 104 adjacent antenna element 100 from phased array and cover; And utilize communication electronic device drive chain T-Ring conduction resonator 102 to be received in signal in the 2nd SATCOM receiving wave range.
In a modification, the method is included in chain T-Ring conduction resonator 102 and the feeder line 104 of communication electronic device by at least one antenna element 100 and is received in signal in the SATCOM wave band.In another modification, chain T-Ring conduction resonator 102 comprises interior ring-type element 302B and the outer ring element 302A that connects by four tuning 304.In another modification, in at least one antenna element 100, the first feeder line 104A becomes 90 degree directed with respect to the second feeder line 104B substantially, so that communication electronic device can receive right-hand circular polarization and Left-hand circular polarization signal or biorthogonal linear polarization signal selectively.In a modification, Faraday cage 106 comprises hex shape, so that the conduction band of Faraday cage 106 202 and conduction through hole 108,402 can share with the antenna element 100 of vicinity in the phased array.
According to above, should be appreciated that, the technology that is used for the broadband link loop aerial element of phased array is provided here.Aforesaid theme only provides in the legend mode, and should not seen and limit.Can make various modifications and variations to theme described here, and not according to illustrated and described example embodiment and application, and do not depart from true spirit of the present invention and protection range, wherein protection range is set forth in the claims.
Claims (10)
1. one kind is used in the system that at least two contiguous satellite communication wave bands are communicated by letter, and described system comprises:
Be configured to a plurality of antenna elements (100) of phased array, at least one of described a plurality of antenna element (100) comprises chain T-Ring conduction resonator (102), the first feeder line (104A) and the second feeder line (104B), and Faraday cage (106), wherein said chain T-Ring conduction resonator (102) has interior ring-type element (302B) and the outer ring element (302A) that is connected by four tuning (304), the described chain T-Ring conduction of described the first feeder line (104A) and described the second feeder line (104B) capacitive coupling resonator (102), and described Faraday cage (106) can cover described link ring conduction resonator (102), described the first feeder line (104A) and described the second feeder line (104B); With
Communication electronic device, described the first feeder line of its electric coupling (104A) and described the second feeder line (104B), and be configured to independently send signals at least one of described a plurality of antenna element (100).
2. system according to claim 1, wherein said the first feeder line (104A) and described the second feeder line (104B) thus can further move and drive described chain T-Ring conduction resonator (102).
3. the described system of according to claim 1-2 any one, wherein said the first feeder line (104A) becomes 90 degree directed with respect to described the second feeder line (104B) substantially.
4. the described system of according to claim 1-3 any one, wherein said Faraday cage (106) comprises electromagnetic shielding ground plane (110), and this electromagnetic shielding ground plane (110) is by at least one conduction through hole (108,402) a plurality of conduction band (202) that are coupled.
5. one kind is used for listing the method for carrying out wideband satellite communication (" SATCOM ") at Conformal Phased Array, and described method comprises:
Implement the phased array of a plurality of antenna elements (100), at least one of described antenna element (100) comprises chain T-Ring conduction resonator (102), feeder line (104), and Faraday cage (106), wherein said chain T-Ring conduction resonator (102) comprises a plurality of ring-type elements (302) that connected by one or more tuning (304), the described conduction resonator of described feeder line (104) electromagnetic coupled (102), and described Faraday cage (106) can make described conduction resonator (102) and described feeder line (104) be isolated from the electric field of adjacent antenna element in the described phased array (100);
The described feeder line (104) of at least one antenna element (100) is coupled to communication electronic device;
Utilize described communication electronic device to drive described chain T-Ring conduction resonator (102), thereby be received in the signal in the SATCOM receiving wave range; With
Utilize described communication electronic device to drive described chain T-Ring conduction resonator (102), thereby be received in the signal in the SATCOM receiving wave range.
6. method according to claim 5 comprises further:
Described chain T-Ring conduction resonator (102) by described at least one antenna element (100) and described feeder line (104) are received in the signal in the SATCOM wave band at described communication electronic device place.
7. the described method of according to claim 5-6 any one, wherein said conduction resonator (102) comprise interior ring-type element (302B) and the outer ring element (302A) that is connected by four tuning (304).
8. the described method of according to claim 5-7 any one, wherein at least one antenna element (100), the first feeder line (104A) becomes 90 degree directed with respect to the second feeder line (104B) substantially, so that described communication electronic device can optionally receive right-hand circular polarization and Left-hand circular polarization signal or biorthogonal linear polarization signal.
9. the described method of according to claim 5-8 any one, wherein said Faraday cage (106) comprises hex shape, so that the conduction band (202) of described Faraday cage (106) and conduction through hole (108,402) are shared by the described adjacent antenna element (100) in the described phased array.
10. broadband link loop antenna element, it is used for one Phased Array Radar System among according to claim 1-4 and the claim 5-9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/194,344 | 2011-07-29 | ||
| US13/194,344 US8749446B2 (en) | 2011-07-29 | 2011-07-29 | Wide-band linked-ring antenna element for phased arrays |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102904019A true CN102904019A (en) | 2013-01-30 |
| CN102904019B CN102904019B (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210236133.XA Expired - Fee Related CN102904019B (en) | 2011-07-29 | 2012-07-06 | Broadband link loop antenna element for phased array |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8749446B2 (en) |
| EP (1) | EP2551959B1 (en) |
| JP (1) | JP6050967B2 (en) |
| CN (1) | CN102904019B (en) |
| RU (1) | RU2603530C2 (en) |
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| CN103943958A (en) * | 2014-04-11 | 2014-07-23 | 中国科学院等离子体物理研究所 | Conjugate antenna structure oriented towards plasma coupling impedance rapid changes |
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| CN111566874B (en) * | 2017-11-10 | 2023-06-27 | 雷神公司 | Thin phased array |
| CN112164878A (en) * | 2018-03-02 | 2021-01-01 | 三星电机株式会社 | Antenna device and antenna module |
| CN112164878B (en) * | 2018-03-02 | 2023-05-23 | 三星电机株式会社 | Antenna device and antenna module |
| US12021306B2 (en) | 2021-10-26 | 2024-06-25 | Raytheon Company | Low profile phased array |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6050967B2 (en) | 2016-12-21 |
| US20130028298A1 (en) | 2013-01-31 |
| RU2012132234A (en) | 2014-02-10 |
| US8749446B2 (en) | 2014-06-10 |
| RU2603530C2 (en) | 2016-11-27 |
| EP2551959B1 (en) | 2014-04-16 |
| CN102904019B (en) | 2017-03-01 |
| JP2013034184A (en) | 2013-02-14 |
| EP2551959A1 (en) | 2013-01-30 |
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